825285287 has 8 divisors (see below), whose sum is σ = 875286240. Its totient is φ = 776460960.

The previous prime is 825285233. The next prime is 825285289. The reversal of 825285287 is 782582528.

825285287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825285287 - 2⁸ = 825285031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825285289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292712 + ... + 295517.

It is an arithmetic number, because the mean of its divisors is an integer number (109410780).

Almost surely, 2^825285287 is an apocalyptic number.

825285287 is a deficient number, since it is larger than the sum of its proper divisors (50000953).

825285287 is a wasteful number, since it uses less digits than its factorization.

825285287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588313.

The product of its digits is 716800, while the sum is 47.

The square root of 825285287 is about 28727.7790126560. The cubic root of 825285287 is about 937.9968232897.

It can be divided in two parts, 8252 and 85287, that added together give a palindrome (93539).

The spelling of 825285287 in words is "eight hundred twenty-five million, two hundred eighty-five thousand, two hundred eighty-seven".